New Catalyst for Lithium Batteries
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DOI: 10.3390/catal10121479 Corpus ID: 230594701; Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency @article{Kim2020RedoxMediatedPC, title={Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency}, author={Min-Cheol Kim and Jung Hyun …
Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with …
DOI: 10.3390/catal10121479 Corpus ID: 230594701; Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency @article{Kim2020RedoxMediatedPC, title={Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with High Round-Trip Efficiency}, author={Min-Cheol Kim and Jung Hyun …
High‐Entropy Catalysis Accelerating Stepwise ...
To enable fast kinetics of Li–S batteries, it is proposed to use high-entropy alloy (HEA) nanocatalysts, which are demonstrated effective to adsorb lithium polysulfides and accelerate their redox …
Single-atom catalysts cathode for lithium-Oxygen batteries：A …
Recently, single-atom catalysts (SACs) have been found to be one of the promising candidates for oxygen electrocatalysis in rechargeable lithium-oxygen batteries (LOBs), owing to their high oxygen ...
Biomimetic Superoxide Disproportionation Catalyst for Anti-Aging ...
Reactive oxygen species or superoxide (O2–), which damages or ages biological cells, is generated during metabolic pathways using oxygen as an electron acceptor in biological systems. Superoxide dismutase (SOD) protects cells from superoxide-triggered apoptosis by converting superoxide to oxygen and peroxide. Lithium–oxygen …
Single-atom catalyst cathodes for lithium–oxygen batteries: a …
Application of Se-based single-atom catalyst in a lithium–oxygen battery. (a) Schematic diagram of a SASe–Ti 3 C 2 catalyst with CO 2 -assisted thermal-reaction strategy synthesis. (b) The initial full charge and discharge curves of the SASe–Ti 3 C 2 and Ti 3 C 2 cathodes at a current density of 100 mA g −1 .
Promising single-atom catalysts for lithium-sulfur batteries …
Exploring prominent active centers with high catalytic activity is essential for developing single-atom catalysts (SACs) towards lithium-sulfur batteries (LSBs). …
Surface Electron Reconstruction of Catalyst Through Alloying …
Alloy catalyst is considered to be an important strategy to solve the shuttle effect and sluggish kinetics of lithium‐sulfur batteries (LSBs).
Catalyst engineering for lithium ion batteries: the catalytic role …
The catalytic role of germanium (Ge) was investigated to improve the electrochemical performance of tin dioxide grown on graphene (SnO 2 /G) nanocomposites as an anode material of lithium ion batteries (LIBs). Germanium dioxide (GeO 2) and SnO 2 nanoparticles (<10 nm) were uniformly anchored on the graphene sheets via a simple …
Single-Atom Catalysts as Promising Cathode Materials for Lithium…
Request PDF | On Aug 16, 2021, Eleftherios I. Andritsos and others published Single-Atom Catalysts as Promising Cathode Materials for Lithium–Sulfur Batteries | Find, read and cite all the ...
Fundamental, application and opportunities of single atom …
Li-S batteries suffer from the sluggish redox reaction and polysulfides shuttle effect problems. Applying single atom catalysts (SAC) to promote the reaction …
Molybdenum‐Based Catalytic Materials for Li–S Batteries: …
The good interface compatibility between the 2D conductive and catalytic building blocks enables a built-in catalytic conversion reaction in Li–S batteries (Figure 3c). This …
Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with …
Schematic of the redox-mediated polymer catalyst (RPC) as a cathode catalyst for lithium-air batteries (LABs). T o analyze the crystallographic structure and the atomic binding state of the PH ...
Novel catalyst for rechargeable metal-air batteries
Scientists have introduced a novel catalyst to accelerate the commercialization of metal-air batteries. The new catalyst possesses the structure of nanofiber-based perovskite materials and ...
Electrocatalysts for Nonaqueous Lithium–Air Batteries: Status ...
A Solution-Phase Bifunctional Catalyst for Lithium–Oxygen Batteries. Journal of the American Chemical Society 2014, 136 (25), 8941-8946. ... Selenium heteroatom-doped mesoporous carbon as an efficient air-breathing electrode for rechargeable lithium–oxygen batteries. New Journal of Chemistry 2023, 47 (5), ...
Boosting Lithium-Air Battery Performance with Catalysts
An evaluation of its performance in a lithium-air battery was a starting point for this research. The battery operated at discharge and charge overpotentials of 80 and 270 millivolts (mV), among the lowest reported for a lithium-air battery when ran with the Mo 3 P catalyst. The Li-O 2 battery retained almost 100% of its initial performance …
Recent advances in cathode catalyst architecture for lithium…
Lithium–oxygen (Li–O 2) batteries have great potential for applications in electric devices and vehicles due to their high theoretical energy density of 3500 Wh kg −1.Unfortunately, their practical use is seriously limited by the sluggish decomposition of insulating Li 2 O 2, leading to high OER overpotentials and the decomposition of …
C60 as a metal-free catalyst for lithium-oxygen batteries
For pristine SWCNT foams, we measure up to 83 F/g specific capacitance in supercapacitors, specific capacity up to 2210 mAh/g for lithium-ion batteries with up to 50% energy efficiency, and ...
Recent progress in cathode catalyst for nonaqueous lithium …
Lithium-oxygen (Li-O2) battery is a potential candidate to be next-generation commercial battery due to high theoretical capacity and energy density among the various rechargeable batteries. However, there are still some obstacles that hindering its commercial application due to the unsatisfactory practical electrochemical performance, including low discharge …
Bidirectional catalyst design for lithium–sulfur batteries: …
Accelerating the reaction kinetics of S species is considered the key to further improving the performance of lithium–sulfur (Li–S) batteries. However, current research on efficient catalysts for S species is mainly …
Renewed graphite for high-performance lithium-ion batteries: …
The widespread utilization of lithium-ion batteries has led to an increase in the quantity of decommissioned lithium-ion batteries. By incorporating recycled anode graphite into new lithium-ion batteries, we can effectively mitigate environmental pollution and meet the industry''s high demand for graphite. Herein, a suitable amount of ferric …
Catalytic materials for lithium-sulfur batteries: mechanisms, design ...
As a result, the Li–S batteries with the Zn-vacancy-rich ZnCo 2 O 4 nanosheet could achieve an ultrahigh loading of 21.06 mg cm −2 with a high areal …
An Electrolyte Engineered Homonuclear Copper Complex as …
Lithium–sulfur (Li–S) batteries suffer from severe polysulfide shuttle, retarded sulfur conversion kinetics and notorious lithium dendrites, which has curtailed the discharge capacity, cycling lifespan and safety. Engineered catalysts act as a feasible strategy to synchronously manipulate the evolution behaviors of sulfur and lithium species.
Isolated Fe-Co heteronuclear diatomic sites as efficient ...
The slow redox kinetics of polysulfides and the difficulties in decomposition of Li2S are two serious obstacles to lithium-sulfur batteries. Here, the authors report an isolated Fe-Co ...
C 60 as a metal-free catalyst for lithium-oxygen batteries
Carbon materials have shown significant potential as catalysts for lithium-oxygen batteries (LOBs). However, the intrinsic carbon sites are typically inert, necessitating extensive modifications and resulting in a limited density of active sites. Here we present C60 as a metal-free cathode catalyst for LOBs, using density functional …
High‐Entropy Catalysis Accelerating Stepwise ...
Catalysis is crucial to improve redox kinetics in lithium–sulfur (Li–S) batteries. However, conventional catalysts that consist of a single metal element are incapable of accelerating stepwise sulfur redox reactions which involve 16-electron transfer and multiple Li 2 S n (n = 2–8) intermediate species. To enable fast kinetics of Li–S …
Enhanced Li bonds enable bidirectional sulfur catalysis by a …
Sulfur conversion catalysis is an effective strategy to tackle the inherent polysulfide shutting and fast capacity decay in lithium-sulfur batteries. Previous studies identified cobalt phthalocyanine as a unique molecular catalyst with Co-N 4 active sites to promote sulfur reduction reactions. Herein, enhancing the Li bonds with the pyridinic N ...
Long-life lithium-sulfur batteries with high areal capacity based …
Rational design of heterostructures opens up new opportunities as an ideal catalyst system for lithium polysulfides conversion in lithium-sulfur battery. However, its traditional fabrication ...
Coupled Ni─Co Dual‐Atom Catalyst for Guiding Sulfur and Lithium ...
The kinetically retarded sulfur evolution reactions and notorious lithium dendrites as the major obstacles hamper the practical implementation of lithium–sulfur batteries (LSBs). Dual metal atom catalysts as a new model are expected to show higher activity by their rational coupling.
Emerging medium
This innovation holds the potential to deliver a multitude of benefits, including enhanced energy densities, extended cycle life, improved safety in contrast to …
Recent progress in cathode catalyst for nonaqueous lithium …
DOI: 10.1007/s42114-022-00500-8 Corpus ID: 249285148; Recent progress in cathode catalyst for nonaqueous lithium oxygen batteries: a review @article{Dang2022RecentPI, title={Recent progress in cathode catalyst for nonaqueous lithium oxygen batteries: a review}, author={Congcong Dang and Qin Mu and Xiubo Xie and Xueqin Sun and …
FeCo alloy catalysts promoting polysulfide conversion for …
This work not only provides a new insight to investigate the conversion kinetics of LiPSs, but also opens up a new avenue for advanced lithium sulfur batteries. Graphical abstract A promising FeCo alloy catalyst which enhances redox kinetics of polisulfide conversion and chemisorption effects of lithium polysulfides is well designed …
C 60 as a metal-free catalyst for lithium-oxygen batteries
Carbon materials have shown significant potential as catalysts for lithium-oxygen batteries (LOBs). However, the intrinsic carbon sites are typically inert, necessitating extensive modifications and resulting in a limited density of active sites. Here we present C 60 as a metal-free cathode catalyst for LOBs, using density functional theory calculations and …
Redox-Mediated Polymer Catalyst for Lithium-Air Batteries with …
The lithium-air batteries (LABs) continue to be of considerable interest for their potential use as building blocks of energy storage devices that require the high energy density due to their excellent theoretical energy density of 3436 Wh L −1 compared to the lithium-ion batteries (1015 Wh L −1) [1,2,3,4].However, despite the promising …
The Catalyst Design for Lithium‐Sulfur Batteries: Roles and …
In this personal account, we discuss the catalyst design for lithium-sulfur batteries according to the sulfur reduction reaction (SRR) and sulfur evolution reaction (SER) in the discharging and charging processes.
Catalytic materials for lithium-sulfur batteries: mechanisms, design ...
Lithium-sulfur (Li-S) batteries are promising for high energy-storage applications but suffer from sluggish conversion reaction kinetics and substantial lithium sulfide (Li 2 S) oxidation barrier, especially under high sulfur loadings. Here, we report a Li cation-doped tungsten oxide (Li x WO x) electrocatalyst that efficiently accelerates the …
New catalyst could enable better lithium-sulfur batteries, power …
New catalyst could enable better lithium-sulfur batteries, power next-gen electronics Novel catalyst material promises long-lasting, high-capacity, next-generation rechargeable batteries
Theoretical Design and Study of a Single-Atom Catalyst in Lithium ...
1 · Lithium–sulfur (Li–S) batteries are considered to be the most promising next-generation high energy density storage systems. However, they still face challenges, …
Catalytic materials for lithium-sulfur batteries: mechanisms, design ...
Introduction. As one of the most promising candidates for energy storage systems, lithium–sulfur (Li–S) batteries (LSBs) stand out due to their high theoretical energy density of 2600 Wh kg −1 and 2800 Wh L −1.Moreover, sulfur is a naturally abundant, low-cost, and environmentally friendly by-product of the petroleum [1], [2], [3].
Towards High Value-Added Recycling of Spent Lithium-Ion Batteries …
The past two decades have witnessed the wide applications of lithium-ion batteries (LIBs) in portable electronic devices, energy-storage grids, and electric vehicles (EVs) due to their unique advantages, such as high energy density, superior cycling durability, and low self-discharge [1,2,3].As shown in Fig. 1a, the global LIB shipment …
An Efficient Multifunctional Soluble Catalyst for Li-O2 Batteries
Aprotic lithium-oxygen (Li-O 2) batteries have a high theoretical energy density, but they face challenges such as cathode blockage, high charge overpotential, and poor cycling stability.These are caused by sluggish reaction kinetics and severe parasitic reactions. Enhancing the performance of Li-O 2 batteries necessitates the development …
Metal sulfide heterojunction with tunable interfacial electronic ...
The design and preparation of catalysts with excellent stability and high activity are critical to improving the performance of lithium-oxygen (Li-O2) batteries. Heterostructural catalysts have attracted wide attention due to their tunable structure and effectiveness in promoting oxygen reduction reaction and oxygen evolution reaction …
Cation-doped ZnS catalysts for polysulfide conversion in …
Catalytic conversion of polysulfides is regarded as a crucial approach to enhancing kinetics and suppressing the shuttle effect in lithium–sulfur (Li–S) batteries. …